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- 3.1 Overview
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- 概述
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- 4.1 Overview
- 4.2 China's crop production
- 4.3 Pest and diseases monitoring
- 4.4 Major crops trade prospects
- 4.5 Outlook of domestic price of four major crops
- Northeast region
- Inner Mongolia
- Huanghuaihai
- Loess region
- Lower Yangtze region
- Southwest China
- Southern China
- 4.1 概述
- 4.2 中国大宗作物产量估算
- 4.3 病虫害状况
- 4.4 中国大宗粮油作物进出口形势
- 4.5 大宗作物价格预测
- 中国东北区
- 内蒙古及长城沿线区
- 黄淮海区
- 黄土高原区
- 长江中下游区
- 中国西南区
- 华南区
Authors: 超级管理员 | Edit: Miao
(a) Crop condition development graph based on NDVI
(b) Spatial NDVI patterns compared to 5YA (c) NDVI profiles
(d) Maximum VCI (e) Biomass
Crop condition in Huanghuaihai was below the recent five-year average. Currently, crops in the region are mainly winter wheat, which was harvested in June, while maize was planted in April and is still growing. As shown by the NDVI development graph, crop condition was generally average during April and May, but sharply declined in early June and up to July (when compared with both the five-year average and the previous year), which may be related to the low temperature (TEMP, -0.5°C) and radiation (RADPAR, -5%). In spite of this, favorable climatic conditions with 14% above average precipitation provided adequate soil moisture for crops and led to an increase in the biomass potential (BIOMSS, +20%). BIOMSS was favorable across the region with the exception of eastern Shandong. Over the last four months, crop conditions were below average in Henan, western Shandong, and other scattered regions around Bohai bay where VCIx values consistently below 0.5 were observed. Prospects for winter crops are mixed.