<affitrackr-widget></affitrackr-widget>

<style>
    /* ══════════════════════════════════════════
       AFFITRACKR WIDGET — MOBILE VERSION
       1 cột, AD sau mỗi 3 card
    ══════════════════════════════════════════ */

    /* ── Fix CMS .adv-center negative margin (mobile only) ── */
    .adv-center:has(affitrackr-widget),
    .adv:has(affitrackr-widget) {
        float: none !important;
        clear: both !important;
        display: block !important;
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
    }
    affitrackr-widget {
        float: none !important;
        clear: both !important;
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        text-align: left !important;
    }

    .affi-widget {
        display: block;
        font-family: sans-serif;
        box-sizing: border-box;
        text-align: left;
        overflow: hidden;
        max-width: 100%;
        background: #ffffff;
        border-radius: 6px;
        margin: 20px 0;
        padding: 16px;
    }

    .affi-title {
        font-size: 22px;
        color: #333;
        border-left: 4px solid #e11d48;
        padding-left: 10px;
        margin: 0 0 16px;
        font-weight: bold;
        text-transform: uppercase;
    }

    /* ── Grid: 1 cột ── */
    .affi-grid {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 15px;
        max-width: 100%;
        box-sizing: border-box;
    }

    .affi-ad-slot { grid-column: 1 / -1 !important; }

    /* ── Card ── */
    .affi-card {
        border: 1px solid #c8b99a;
        border-radius: 4px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.35s ease, transform 0.35s ease;
        background-color: #ede0c4;
        background-image:
            repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(160,130,80,0.04) 2px, rgba(160,130,80,0.04) 3px),
            repeating-linear-gradient(90deg, transparent, transparent 3px, rgba(140,110,60,0.03) 3px, rgba(140,110,60,0.03) 4px),
            linear-gradient(160deg, #f0e4c8 0%, #e8d8b0 40%, #ede0c4 70%, #e5d5aa 100%);
    }
    .affi-card.affi-visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
        .affi-card { opacity: 1; transform: none; transition: none; }
    }

    .affi-thumb-link {
        display: block; width: 100%; padding-top: 56.25%;
        position: relative; overflow: hidden; text-decoration: none;
    }
    .affi-thumb-img {
        position: absolute; top: 0; left: 0;
        width: 100%; height: 100%; object-fit: cover; transition: transform 0.2s;
    }
    .affi-thumb-link:hover .affi-thumb-img { transform: scale(1.04); }

    .affi-card-body { padding: 12px; flex: 1; display: flex; flex-direction: column; }
    .affi-card-title {
        text-decoration: none; color: #1a1208; font-weight: bold;
        font-size: 16px; line-height: 1.45;
        display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
        overflow: hidden; margin-bottom: 8px;
    }
    .affi-card-title:hover { color: #e11d48; }
    .affi-card-source {
        font-size: 11px; color: #8a7d65; font-weight: 500;
        text-transform: uppercase; margin-top: auto;
    }

    .affi-ad-slot {
        width: 100%; max-width: 100%; box-sizing: border-box; overflow: hidden;
        opacity: 0; transform: translateY(10px);
        transition: opacity 0.35s ease, transform 0.35s ease;
    }
    .affi-ad-slot.affi-visible { opacity: 1; transform: translateY(0); }
    .affi-ad-slot ins { display: block !important; width: 100% !important; }

    /* ── Skeleton ── */
    @keyframes affi-shimmer {
        0%   { background-position: -400px 0; }
        100% { background-position:  400px 0; }
    }
    .affi-skeleton { border: 1px solid #eee; border-radius: 6px; overflow: hidden; background: #fff; }
    .affi-skeleton-thumb {
        padding-top: 56.25%;
        background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
        background-size: 800px 100%; animation: affi-shimmer 1.4s infinite linear;
    }
    .affi-skeleton-body { padding: 12px; }
    .affi-skeleton-line {
        height: 12px; border-radius: 4px;
        background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
        background-size: 800px 100%; animation: affi-shimmer 1.4s infinite linear; margin-bottom: 8px;
    }
    .affi-skeleton-line.affi-short { width: 60%; }
</style>

<script>
class AffitrackrWidget extends HTMLElement {

    static AD_CLIENT       = 'ca-pub-7078400245394460';
    static AD_SLOT         = '7322516041';
    static CARDS_PER_BLOCK = 3;   // Mobile: AD sau mỗi 3 card
    static TOTAL_ARTICLES  = 20;

    connectedCallback() {
        this.classList.add('affi-widget');
        this.innerHTML = `
            <h3 class="affi-title">Có thể bạn quan tâm</h3>
            <div class="affi-grid" id="affi-grid"></div>
        `;
        this._showSkeletons();
        this._loadArticles();
    }

    _showSkeletons() {
        const grid = this.querySelector('#affi-grid');
        grid.innerHTML = Array(4).fill(`
            <div class="affi-skeleton">
                <div class="affi-skeleton-thumb"></div>
                <div class="affi-skeleton-body">
                    <div class="affi-skeleton-line"></div>
                    <div class="affi-skeleton-line affi-short"></div>
                </div>
            </div>
        `).join('');
    }

    _shuffle(arr) {
        const a = [...arr];
        for (let i = a.length - 1; i > 0; i--) {
            const j = Math.floor(Math.random() * (i + 1));
            [a[i], a[j]] = [a[j], a[i]];
        }
        return a;
    }

    _storageGet(key, fallback) {
        try { return JSON.parse(localStorage.getItem(key)) ?? fallback; } catch { return fallback; }
    }
    _storageSet(key, value) {
        try { localStorage.setItem(key, JSON.stringify(value)); } catch {}
    }

    async _fetchArticles() {
        const CACHE_KEY = 'affi_articles_cache';
        const CACHE_TTL = 5 * 60 * 1000;
        try {
            const raw = sessionStorage.getItem(CACHE_KEY);
            if (raw) {
                const { ts, data } = JSON.parse(raw);
                if (Date.now() - ts < CACHE_TTL) return data;
            }
        } catch {}
        const controller = new AbortController();
        const timer = setTimeout(() => controller.abort(), 5000);
        try {
            const res = await fetch('https://affitrackr.com/cdn/affitrackr/articles.json', { signal: controller.signal });
            clearTimeout(timer);
            if (!res.ok) throw new Error(`HTTP ${res.status}`);
            const data = await res.json();
            try { sessionStorage.setItem(CACHE_KEY, JSON.stringify({ ts: Date.now(), data })); } catch {}
            return data;
        } catch (err) { clearTimeout(timer); throw err; }
    }

    _safeUrl(url) {
        try {
            const u = new URL(url);
            return (u.protocol === 'https:' || u.protocol === 'http:') ? url : '#';
        } catch { return '#'; }
    }

    _buildCard(item, eager = false) {
        const card = document.createElement('div');
        card.className = 'affi-card';

        const thumbLink = document.createElement('a');
        thumbLink.href = this._safeUrl(item.u);
        thumbLink.className = 'affi-thumb-link';
        thumbLink.target = '_top';
        thumbLink.rel = 'noopener noreferrer';

        const img = document.createElement('img');
        img.src = this._safeUrl(item.i);
        img.alt = String(item.t ?? '').slice(0, 100);
        img.className = 'affi-thumb-img';
        img.loading = eager ? 'eager' : 'lazy';
        img.decoding = eager ? 'sync' : 'async';
        img.onerror = () => { img.style.display = 'none'; };
        thumbLink.appendChild(img);

        const body = document.createElement('div');
        body.className = 'affi-card-body';

        const titleLink = document.createElement('a');
        titleLink.href = this._safeUrl(item.u);
        titleLink.className = 'affi-card-title';
        titleLink.target = '_top';
        titleLink.rel = 'noopener noreferrer';
        titleLink.textContent = item.t ?? '';

        const source = document.createElement('span');
        source.className = 'affi-card-source';
        source.textContent = item.src ?? 'VOH';

        body.appendChild(titleLink);
        body.appendChild(source);
        card.appendChild(thumbLink);
        card.appendChild(body);
        return card;
    }

    _buildAdSlot() {
        const wrapper = document.createElement('div');
        wrapper.className = 'affi-ad-slot';
        wrapper.dataset.adPending = 'true';

        const observer = new IntersectionObserver((entries, obs) => {
            entries.forEach(entry => {
                if (!entry.isIntersecting) return;
                obs.unobserve(wrapper);
                if (wrapper.dataset.adPending !== 'true') return;
                delete wrapper.dataset.adPending;

                const ins = document.createElement('ins');
                ins.className = 'adsbygoogle';
                ins.style.display = 'block';
                ins.dataset.adClient = AffitrackrWidget.AD_CLIENT;
                ins.dataset.adSlot = AffitrackrWidget.AD_SLOT;
                ins.dataset.adFormat = 'auto';
                ins.dataset.fullWidthResponsive = 'true';
                wrapper.appendChild(ins);
                try { (window.adsbygoogle = window.adsbygoogle || []).push({}); }
                catch (e) { console.warn('[affitrackr-mobile] AdSense error:', e); }
            });
        }, { rootMargin: '0px 0px 200px 0px', threshold: 0 });

        observer.observe(wrapper);
        return wrapper;
    }

    _observeElements(els) {
        if (!('IntersectionObserver' in window)) {
            els.forEach(el => el.classList.add('affi-visible'));
            return;
        }
        const observer = new IntersectionObserver((entries) => {
            entries.forEach(entry => {
                if (entry.isIntersecting) {
                    entry.target.classList.add('affi-visible');
                    observer.unobserve(entry.target);
                }
            });
        }, { rootMargin: '0px 0px 80px 0px', threshold: 0.05 });
        els.forEach(el => observer.observe(el));
    }

    _render(articles) {
        const grid = this.querySelector('#affi-grid');
        grid.innerHTML = '';

        const allEls  = [];
        let adCount   = 0;
        let cardCount = 0; // đếm card trong block hiện tại

        articles.forEach((item, i) => {
            const card = this._buildCard(item, i < 2); // 2 card đầu eager
            grid.appendChild(card);
            allEls.push(card);
            cardCount++;

            // Sau mỗi CARDS_PER_BLOCK card → chèn AD
            if (cardCount === AffitrackrWidget.CARDS_PER_BLOCK) {
                const adSlot = this._buildAdSlot(adCount++);
                grid.appendChild(adSlot);
                allEls.push(adSlot);
                cardCount = 0;
            }
        });

        allEls.slice(0, 2).forEach(el => el.classList.add('affi-visible'));
        this._observeElements(allEls.slice(2));
    }

    async _loadArticles() {
        try {
            const data = await this._fetchArticles();
            const allArticles = Array.isArray(data?.items) ? data.items : [];
            if (allArticles.length === 0) throw new Error('empty');

            const currentUrl = window.location.href;
            let history = this._storageGet('seen_articles_mobile', []);

            let pool = allArticles.filter(a => !history.includes(a.id) && a.u !== currentUrl);
            if (pool.length < AffitrackrWidget.TOTAL_ARTICLES) {
                history = [];
                pool = allArticles.filter(a => a.u !== currentUrl);
            }

            const recommended = this._shuffle(pool).slice(0, AffitrackrWidget.TOTAL_ARTICLES);
            recommended.forEach(a => history.push(a.id));
            this._storageSet('seen_articles_mobile', history.slice(-200));
            this._render(recommended);
        } catch {
            this.style.display = 'none';
        }
    }
}

if (!customElements.get('affitrackr-widget')) {
    customElements.define('affitrackr-widget', AffitrackrWidget);
}
</script>



<affitrackr-widget></affitrackr-widget>

<style>
    /* ══════════════════════════════════════════
       AFFITRACKR WIDGET — PC VERSION
       2 cột, AD full width sau mỗi 4 card (2 row)
    ══════════════════════════════════════════ */

    /* ── PC không có negative margin trick từ CMS, reset đơn giản ── */
    affitrackr-widget {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        text-align: left !important;
        float: none !important;
        clear: both !important;
    }

    .affi-widget {
        display: block;
        font-family: sans-serif;
        box-sizing: border-box;
        text-align: left;
        overflow: hidden;
        max-width: 100%;
        background: #ffffff;
        border-radius: 6px;
        margin: 20px 0;
        padding: 20px;
    }

    .affi-title {
        font-size: 22px;
        color: #333;
        border-left: 4px solid #e11d48;
        padding-left: 10px;
        margin: 0 0 16px;
        font-weight: bold;
        text-transform: uppercase;
    }

    /* ── Grid: 2 cột ── */
    .affi-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* AD span full width (2 cột) */
    .affi-ad-slot { grid-column: 1 / -1 !important; }

    /* ── Card ── */
    .affi-card {
        border: 1px solid #c8b99a;
        border-radius: 4px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.35s ease, transform 0.35s ease;
        background-color: #ede0c4;
        background-image:
            repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(160,130,80,0.04) 2px, rgba(160,130,80,0.04) 3px),
            repeating-linear-gradient(90deg, transparent, transparent 3px, rgba(140,110,60,0.03) 3px, rgba(140,110,60,0.03) 4px),
            linear-gradient(160deg, #f0e4c8 0%, #e8d8b0 40%, #ede0c4 70%, #e5d5aa 100%);
    }
    .affi-card.affi-visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
        .affi-card { opacity: 1; transform: none; transition: none; }
    }

    .affi-thumb-link {
        display: block; width: 100%; padding-top: 56.25%;
        position: relative; overflow: hidden; text-decoration: none;
    }
    .affi-thumb-img {
        position: absolute; top: 0; left: 0;
        width: 100%; height: 100%; object-fit: cover; transition: transform 0.2s;
    }
    .affi-thumb-link:hover .affi-thumb-img { transform: scale(1.04); }

    .affi-card-body { padding: 12px; flex: 1; display: flex; flex-direction: column; }
    .affi-card-title {
        text-decoration: none; color: #1a1208; font-weight: bold;
        font-size: 16px; line-height: 1.45;
        display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
        overflow: hidden; margin-bottom: 8px;
    }
    .affi-card-title:hover { color: #e11d48; }
    .affi-card-source {
        font-size: 11px; color: #8a7d65; font-weight: 500;
        text-transform: uppercase; margin-top: auto;
    }

    .affi-ad-slot {
        width: 100%; max-width: 100%; box-sizing: border-box;
        opacity: 0; transform: translateY(10px);
        transition: opacity 0.35s ease, transform 0.35s ease;
    }
    .affi-ad-slot.affi-visible { opacity: 1; transform: translateY(0); }
    .affi-ad-slot ins { display: block !important; width: 100% !important; }

    /* ── Skeleton ── */
    @keyframes affi-shimmer {
        0%   { background-position: -400px 0; }
        100% { background-position:  400px 0; }
    }
    .affi-skeleton { border: 1px solid #eee; border-radius: 6px; overflow: hidden; background: #fff; }
    .affi-skeleton-thumb {
        padding-top: 56.25%;
        background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
        background-size: 800px 100%; animation: affi-shimmer 1.4s infinite linear;
    }
    .affi-skeleton-body { padding: 12px; }
    .affi-skeleton-line {
        height: 12px; border-radius: 4px;
        background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
        background-size: 800px 100%; animation: affi-shimmer 1.4s infinite linear; margin-bottom: 8px;
    }
    .affi-skeleton-line.affi-short { width: 60%; }
</style>

<script>
class AffitrackrWidget extends HTMLElement {

    static AD_CLIENT       = 'ca-pub-7078400245394460';
    static AD_SLOT         = '7322516041';
    static CARDS_PER_BLOCK = 4;   // PC: AD sau mỗi 4 card (2 row × 2 cột)
    static TOTAL_ARTICLES  = 20;

    connectedCallback() {
        this.classList.add('affi-widget');
        this.innerHTML = `
            <h3 class="affi-title">Có thể bạn quan tâm</h3>
            <div class="affi-grid" id="affi-grid"></div>
        `;
        this._showSkeletons();
        this._loadArticles();
    }

    _showSkeletons() {
        const grid = this.querySelector('#affi-grid');
        grid.innerHTML = Array(4).fill(`
            <div class="affi-skeleton">
                <div class="affi-skeleton-thumb"></div>
                <div class="affi-skeleton-body">
                    <div class="affi-skeleton-line"></div>
                    <div class="affi-skeleton-line affi-short"></div>
                </div>
            </div>
        `).join('');
    }

    _shuffle(arr) {
        const a = [...arr];
        for (let i = a.length - 1; i > 0; i--) {
            const j = Math.floor(Math.random() * (i + 1));
            [a[i], a[j]] = [a[j], a[i]];
        }
        return a;
    }

    _storageGet(key, fallback) {
        try { return JSON.parse(localStorage.getItem(key)) ?? fallback; } catch { return fallback; }
    }
    _storageSet(key, value) {
        try { localStorage.setItem(key, JSON.stringify(value)); } catch {}
    }

    async _fetchArticles() {
        const CACHE_KEY = 'affi_articles_cache';
        const CACHE_TTL = 5 * 60 * 1000;
        try {
            const raw = sessionStorage.getItem(CACHE_KEY);
            if (raw) {
                const { ts, data } = JSON.parse(raw);
                if (Date.now() - ts < CACHE_TTL) return data;
            }
        } catch {}
        const controller = new AbortController();
        const timer = setTimeout(() => controller.abort(), 5000);
        try {
            const res = await fetch('https://affitrackr.com/cdn/affitrackr/articles.json', { signal: controller.signal });
            clearTimeout(timer);
            if (!res.ok) throw new Error(`HTTP ${res.status}`);
            const data = await res.json();
            try { sessionStorage.setItem(CACHE_KEY, JSON.stringify({ ts: Date.now(), data })); } catch {}
            return data;
        } catch (err) { clearTimeout(timer); throw err; }
    }

    _safeUrl(url) {
        try {
            const u = new URL(url);
            return (u.protocol === 'https:' || u.protocol === 'http:') ? url : '#';
        } catch { return '#'; }
    }

    _buildCard(item, eager = false) {
        const card = document.createElement('div');
        card.className = 'affi-card';

        const thumbLink = document.createElement('a');
        thumbLink.href = this._safeUrl(item.u);
        thumbLink.className = 'affi-thumb-link';
        thumbLink.target = '_top';
        thumbLink.rel = 'noopener noreferrer';

        const img = document.createElement('img');
        img.src = this._safeUrl(item.i);
        img.alt = String(item.t ?? '').slice(0, 100);
        img.className = 'affi-thumb-img';
        img.loading = eager ? 'eager' : 'lazy';
        img.decoding = eager ? 'sync' : 'async';
        img.onerror = () => { img.style.display = 'none'; };
        thumbLink.appendChild(img);

        const body = document.createElement('div');
        body.className = 'affi-card-body';

        const titleLink = document.createElement('a');
        titleLink.href = this._safeUrl(item.u);
        titleLink.className = 'affi-card-title';
        titleLink.target = '_top';
        titleLink.rel = 'noopener noreferrer';
        titleLink.textContent = item.t ?? '';

        const source = document.createElement('span');
        source.className = 'affi-card-source';
        source.textContent = item.src ?? 'VOH';

        body.appendChild(titleLink);
        body.appendChild(source);
        card.appendChild(thumbLink);
        card.appendChild(body);
        return card;
    }

    _buildAdSlot() {
        const wrapper = document.createElement('div');
        wrapper.className = 'affi-ad-slot';
        wrapper.dataset.adPending = 'true';

        const observer = new IntersectionObserver((entries, obs) => {
            entries.forEach(entry => {
                if (!entry.isIntersecting) return;
                obs.unobserve(wrapper);
                if (wrapper.dataset.adPending !== 'true') return;
                delete wrapper.dataset.adPending;

                const ins = document.createElement('ins');
                ins.className = 'adsbygoogle';
                ins.style.display = 'block';
                ins.dataset.adClient = AffitrackrWidget.AD_CLIENT;
                ins.dataset.adSlot = AffitrackrWidget.AD_SLOT;
                ins.dataset.adFormat = 'auto';
                ins.dataset.fullWidthResponsive = 'true';
                wrapper.appendChild(ins);
                try { (window.adsbygoogle = window.adsbygoogle || []).push({}); }
                catch (e) { console.warn('[affitrackr-pc] AdSense error:', e); }
            });
        }, { rootMargin: '0px 0px 200px 0px', threshold: 0 });

        observer.observe(wrapper);
        return wrapper;
    }

    _observeElements(els) {
        if (!('IntersectionObserver' in window)) {
            els.forEach(el => el.classList.add('affi-visible'));
            return;
        }
        const observer = new IntersectionObserver((entries) => {
            entries.forEach(entry => {
                if (entry.isIntersecting) {
                    entry.target.classList.add('affi-visible');
                    observer.unobserve(entry.target);
                }
            });
        }, { rootMargin: '0px 0px 80px 0px', threshold: 0.05 });
        els.forEach(el => observer.observe(el));
    }

    _render(articles) {
        const grid = this.querySelector('#affi-grid');
        grid.innerHTML = '';

        const allEls  = [];
        let adCount   = 0;
        let cardCount = 0;

        // Layout 2 cột:
        // [card] [card]
        // [card] [card]  → sau 4 card → AD
        // [── AD full width ──]
        // [card] [card]
        // ...
        articles.forEach((item, i) => {
            const card = this._buildCard(item, i < 4); // 4 card đầu eager (2 row đầu)
            grid.appendChild(card);
            allEls.push(card);
            cardCount++;

            if (cardCount === AffitrackrWidget.CARDS_PER_BLOCK) {
                const adSlot = this._buildAdSlot(adCount++);
                grid.appendChild(adSlot);
                allEls.push(adSlot);
                cardCount = 0;
            }
        });

        allEls.slice(0, 4).forEach(el => el.classList.add('affi-visible'));
        this._observeElements(allEls.slice(4));
    }

    async _loadArticles() {
        try {
            const data = await this._fetchArticles();
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<font face="Arial" size="2">
</font><div align="left">
	<table align="left" border="0" width="100">
		<tbody><tr>
			<td><font face="Arial" size="2"><div><img src="/Data/News/201302/20130219174158raynau.JPG" alt="" alignment="" border="" hspace="" vspace=""></div></font></td>
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</div><font face="Arial" size="2">
</font><p><font face="Arial" size="2">Hiện một số nông dân phun thuốc trừ rầy nâu không đúng đã làm lúa bị cháy rầy 
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sâu cuốn lá quá nhiều cũng đồng thời diệt cả thiên địch rầy nâu. Việc phun xịt 
thuốc cho lúa ở giai đoạn này là không cần thiết mà còn có hại cho ruộng lúa.</font></p><font face="Arial" size="2">
</font><p><font face="Arial" size="2">Ngoài ra, hiện trong vùng còn khoảng 300.000 ha lúa Hè Thu sớm và lúa Đông 
Xuân muộn chuẩn bị được gieo sạ cũng đang bị dịch rầy nâu và sâu cuốn lá đe dọa. 
Các dịch hại này cũng sẽ ảnh hưởng đến vụ Hè Thu sắp tới nếu không được quản lý 
tốt. Tiến sĩ Hồ Văn Chiến khuyến cáo nông dân bình tĩnh, thực hiện theo hướng 
dẫn phòng trị 2 dịch hại này của cơ quan bảo vệ thực vật. Đó là gieo sạ né rầy, 
bón phân cân đối, phun đúng thuốc, đủ lượng nước, sử dụng thuốc chống lột xác... 
nhằm tránh các chi phí không cần thiết và những thiệt hại đáng tiếc xảy ra.<div class="adv-components" id="MiddleContent-01"></div></font><font face="Arial" size="2"></font></p>

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